10-Day Weather Forecast - Johnston City, IL

Sunny. Highs in the upper 50s. Southwest winds 10 to 15 mph with gusts up to 25 mph.

Mostly cloudy. A chance of showers after midnight. Lows around 40. West winds 5 to 10 mph. Chance of rain 40 percent.

Mostly cloudy. Highs in the mid 40s. Temperature falling into the upper 30s in the afternoon. Northwest winds 15 to 20 mph with gusts up to 30 mph.

Mostly cloudy in the evening then clearing. Much cooler with lows around 19. North winds 15 to 20 mph with gusts up to 30 mph becoming northwest around 10 mph after midnight.

Sunny. Highs in the lower 30s.

Mostly cloudy. Lows in the lower 20s. Highs in the mid 40s.

Mostly cloudy. Lows in the lower 20s. Highs in the mid 40s.

Mostly cloudy. Lows in the lower 20s. Highs in the mid 40s.

Partly sunny. Highs in the lower 30s.

Partly cloudy. Lows 10 to 15. Highs in the upper 20s.

Partly cloudy. Lows 10 to 15. Highs in the upper 20s.

Mostly clear. Lows 10 to 15. Highs in the mid 30s.

Mostly clear. Lows 10 to 15. Highs in the mid 30s.

Clear. Low temperature around 20F. Dew point will be around 10F with an average humidity of 57%. Winds will be 5 mph from the SW.

Sunny. High temperature around 36F. Dew point will be around 15F with an average humidity of 52%. Winds will be 3 mph from the S.

Clear. Low temperature around 27F. Dew point will be around 17F with an average humidity of 61%. Winds will be 5 mph from the S.

Partly cloudy. High temperature around 42F. Dew point will be around 26F with an average humidity of 63%. Winds will be 7 mph from the S.

Cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 36F. Dew point will be around 30F with an average humidity of 74%. Winds will be 6 mph from the S.